According to datasheet, Page 8, minimum wait time to complete
measurement is 10ms. Adjusting this value will increase the
userspace polling rate.
Fixes: abeb6b1e7b ("iio: magnetometer: Add support for MEMSIC MMC35240")
Signed-off-by: Daniel Baluta <daniel.bal...@intel.com>
---
drivers/iio/magnetometer/mmc35240.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/magnetometer/mmc35240.c
b/drivers/iio/magnetometer/mmc35240.c
index 7fff38e..7bc72b3 100644
--- a/drivers/iio/magnetometer/mmc35240.c
+++ b/drivers/iio/magnetometer/mmc35240.c
@@ -219,7 +219,8 @@ static int mmc35240_take_measurement(struct mmc35240_data
*data)
return ret;
if (reg_status & MMC35240_STATUS_MEAS_DONE_BIT)
break;
- msleep(20);
+ /* minimum wait time to complete measurement is 10 ms */
+ usleep_range(10000, 11000);
}
if (tries < 0) {
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
